1. Which cation in the following ionic compounds have the highest charge?
i.e., NaCl vs CaCl2 Na = +1 vs. Ca = +2 so Ca has the highest charge.
A) None, all have the same charge.
B) SnO2
C) CoCO3
D) Cu(OH)2
E) FeSO4
2. Which of the following reactions is incorrectly labeled?
A) HCl(aq) + NaOH(aq) NaCl(aq) + H2O(l) – Precipitation reaction.
B) 2 HCl(aq) + Fe(s) FeCl2(aq) + H2(g) – Redox reaction.
C) No right choice.
D) CH4(g) + 3 O2(g) CO2(g) + 2 H2O(l) – Combustion reaction.
1. Which cation in the following ionic compounds have the highest charge? 2. Which of the following reactions is incorrectly labeled?
2017-01-11 3:55 pm
回答 (1)
2017-01-11 4:02 pm
✔ 最佳答案
1.In B) Sn = +4
In C) Co = +2
In D) Cu = +2
In E) Fe = +2
The answer: B) SnO₂
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2.
In A) It is NOT a precipitation reaction because no precipitate is formed. Actually, it is a neutralization reaction.
The answer: A) HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(l) – Precipitation reaction
收錄日期: 2021-04-20 17:57:19
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